Power outages in Dayton, WY
Live outages for Dayton and the surrounding area, updated every 10 minutes. Dayton has 825 residents.
Right now
No live outage data for Dayton yet.
Outage map
DaytonSheridan County
Outage history in Sheridan County, which includes Dayton
2014–2025 recordSheridan County averaged 16 significant outages a year in 2023–2025, about typical for Wyoming counties.
In the 12 months to December 2025, there were 13. Half were over within 4 hours; the longest lasted 32 hours, starting December 19, 2025.
The largest on record began November 13, 2025, with 12,017 customers out at once.
Outages are most common in June.
16significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.2 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.32 hourslongest on record (December 2025)
12,017most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| November 13, 2025 | 12,017 | 6 hours | 48,318 |
| September 11, 2022 | 4,930 | 2.5 hours | 7,524 |
| February 16, 2023 | 3,907 | 6.5 hours | 9,718 |
| April 23, 2022 | 3,262 | 15 hours | 7,780 |
| September 26, 2023 | 3,176 | 45 minutes | 1,651 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.